JPH0365603B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a switch, and relates to a switch equipped with a reversing mechanism that reversibly supports a movable element.

(Prior Art) In a conventional switch of this type, a reversing mechanism in which a movable member having a movable contact piece that approaches and separates from a fixed contact piece is swingably supported by a torge mechanism is disclosed in Japanese Patent Publication No. 57-39034, for example. The structure described in the publication is known.

(Problems to be Solved by the Invention) In the conventional structure described above, even if the pressing force applied to the movable element during the switching operation of the switch is applied to the reversing mechanism, this reversing mechanism is supported at the bottom of the main body, so there is no problem. However, when a timer or the like is incorporated into the switch, a structure in which the mover is disposed above the timer or the like may be considered due to space limitations. However, in such a structure, it is necessary to fix the parts such as a timer that are dropped and stored, and the reversing mechanism installed on the top of this part, and the parts that are dropped and stored are fixed separately. The fixing structure becomes complicated, making it difficult to fix each part within a narrow space, making the entire switch larger, and there is also the problem of poor assembly when fixing the drop-in storage part and the reversing mechanism separately. .

The present invention has been made in view of the above-mentioned problems, and is designed so that the parts that are dropped and stored at the bottom of the reversing mechanism are held by the reversing mechanism, and the reversing mechanism is held by the lower parts, and the parts that are dropped and stored are reversed. The present invention provides a switch which can be assembled compactly without requiring a structure for holding each mechanism, and which has improved ease of assembly.

[Structure of the invention]

(Means for Solving the Problems) The switch of the present invention includes a main body having an opening and a storage recess communicating with the opening, and a switch that is placed in place by being dropped into the storage recess through the opening. The unit includes a unitized storage part, a support frame, a movable element connected to the support frame, and a spring connected to the movable element, and is disposed above the above-mentioned parts so that a part thereof is in contact with the above-mentioned parts. The device is equipped with a reversing mechanism capable of preventing movement on the opening side, and a switch mechanism interlocked with the reversing mechanism.

(Function) In the switch of the present invention, by dropping and storing the unitized storage components into the storage recess from the opening of the main body, the storage components are prevented from undesired movement in a horizontal plane and are kept in place. A reversing mechanism is housed above the component, and the reversing mechanism is brought into contact with the drop-in storage component, and the movement of the drop-in storage component toward the opening is suppressed and held by a part of the reversing mechanism, and the reversing mechanism is held at the bottom of the storage. It is held by parts and does not require an inversion mechanism or a structure to individually hold the storage parts stored at the bottom, making the structure simpler and easier to assemble.Furthermore, it takes up less space in the vertical direction, making it more compact. be done.

(Embodiment) Next, the configuration of an embodiment of the present invention will be described with reference to the drawings.

Reference numeral 1 denotes a main body of the device, and the main body 1 is formed with terminal storage portions 2, 2 which are open on the upper surface, sandwiching storage recesses 3 that communicate with the central upper surface opening on both end sides, and each of the terminal storage portions 2, A protrusion 5 with engagement grooves 4 formed on both sides is formed in the vertical direction on the inner surface of the end portion of the protrusion 2 .

A terminal piece 6 disposed in the one terminal storage section 2
is bent into a substantially U-shape when viewed from above, and wire connecting piece portions 8 are formed by bending the leading edges of both side plate portions 7 in opposite directions, and the leading edges of both wire connecting piece portions 8 are bent toward each other. The terminal piece 9 is adapted to be engaged and held in the engagement groove 4, and the terminal piece 9 disposed in the other terminal storage portion 2 is divided into left and right parts. The terminal pieces 6 and 9 each have a self-locking piece 10.

Further, in the storage recess 3 between the terminal storage parts 2 and 2 of the main body 1, there are unitized storage parts, for example,
The timer unit 11 is housed by dropping through the top opening to prevent undesired movement within the horizontal plane.

Next, the reversing mechanism will be explained.

This reversing mechanism includes a supporting frame 12, a movable element 16 connected to the supporting frame 12, and a spring connected to the movable element 16. The support frame 1
2 is integrally bent from the upper edge of one terminal piece 6 and extends above the timer unit 11 housed in the housing recess 3. The support frame 12 is formed into a substantially rectangular frame shape, and a pivot portion 14 bent downward into a substantially V-shape is formed at substantially the center of both side portions 13 . Furthermore, this supporting frame 12 is bent downward so that its leading edge is connected to the timer unit 11.
A protrusion 15 is formed which abuts on the top surface and prevents the child timer unit 11 from moving toward the top opening side of the main body 1. Moreover, the movable element 1
6 is formed into a substantially rectangular frame shape, and the support frame 1 is provided on both sides.
A branch part 17 whose lower edge is swingably locked to the pivot part 14 of No. 2 is bent and formed. It is gaining support. Further, the spring 20 is formed of a tension coil spring,
A locking portion 21 at one end is locked to the upper edge of the movable element 16, and a support shaft 22 is locked to the other end below the support frame 12.

Further, a movable contact piece 1 is provided at the lower end of the movable element 16.
8 are integrally formed, and this movable contact piece 18 is brought into contact with and separated from a fixed contact piece 19 extending above the storage recess 3 from the upper edge of the other terminal piece 9, thereby forming a switch mechanism. ing.

Further, reference numeral 20 denotes a tension coil spring, and a locking portion 21 at one end is locked to the upper edge of the movable element 16, and a support shaft 22 is locked at the other end below the support frame 12.

Next, reference numeral 23 denotes a handle body having an open bottom surface so that the movable element 16 can be placed inside. The support shaft 2 is attached to the lower edge of both inner surfaces of the handle body 23.
A locking portion 24 that locks both ends of 2 is formed in the shape of a groove. Moreover, a shaft support projection 25 is projected from the central portions of both sides of the handle body 23, and the upper surface of this projection 25 is formed in an arc shape.

Further, 26 is a lid body formed in a size that covers the upper opening of the instrument main body 1, and has a lower surface that fits into the opening of the instrument main body 1 and engages the upper edges of the terminal pieces 6 and 9. A holding protrusion 27 is formed. Further, a box-shaped portion 28 into which the handle body 23 is fitted is formed in the center of the lid body 26, and this box-shaped portion 28
A shaft support recess 29 is formed on both inner surfaces of the handle body 23 to swingably engage the shaft support projections 25 on both sides of the handle body 23.

When this handle body 23 is fitted into the box-shaped part 28 of the lid body 26 from below and the pivot projection 25 is engaged with the pivot support recess 29, the upper surface operation part 30 of the handle body 23 is inserted into the upper surface of the box-shaped part 28. It is made to face the opening 31. and,
This lid body 26 is fixed to the upper surface of the main body 1 with a mounting bracket 32. In this state, the movable element 16 is attached to the handle body 23.
When the handle body 23 swings, the movable element 16 is reversed by the movement of the dead point of the spring 20.

Next, the operation of this embodiment will be explained.

The timer unit 11 is stored in the housing recess 3 of the main body 1 by dropping it from the upper opening, and the terminal pieces 6 and 9 are stored in the terminal housings 2 and 2 on both sides. In this state, the timer unit 11 is prevented from moving within the horizontal plane by the storage recess 3, the support frame 12 is disposed on the timer unit 11, and the protrusion 15 of the support frame 12 of this reversing mechanism is connected to the timer unit 11.
is held in the main body 1 and prevented from moving toward the upper opening side of the main body 1. Further, it is composed of a movable contact piece 18 formed on the movable member 16 of the switch mechanism and a fixed contact piece 19 of the other terminal piece 9 at the same time. The reversing mechanism is assembled by fitting the mover 16 into the support frame 12, placing and engaging the support pieces 17 on both sides with the pivot parts 14 of the support frame 12 so that they can swing freely, and attaching one end to the upper end of the mover 16. The other end of the spring 20 that is locked is locked to a support shaft 22 below the support frame 12, and both ends of this support shaft 22 are engaged with both side locking portions 24 of the handle body 23 fitted to the movable element 16. By fitting the box-shaped portion 28 of the lid body 26 into the handle body 23, the pivot protrusion 25 of the handle body 23 is engaged with the pivot recess 29, and the handle body 23 is swingably supported. . Then, attach the lid body 26 to the main body 1.
It is fixed with the mounting bracket 32.

Next, when opening/closing the switch, the handle body 23 is
When the left end is pressed downward from the state shown in FIGS.
The support shaft 22, which is locked to the locking part 24, is moved rightward in FIG.
Beyond the dead point that is parallel to
That is, at the final stage of the swinging of the handle body 23, the branch part 17 of the movable element 16 engages with the pivot part 14 by the spring 20 and is reversed, the movable contact part 18 separates from the fixed contact part 19, and the switch is turned off. will be released. Further, the closing operation of the switch mechanism is similarly performed by inverting the movable member 16 by operating the handle body 23.

Even if the pressing force applied to the handle body 23 is applied to the support frame 12 by operating the handle body 23, the support frame 12 will not move because the protrusion 15 of the support frame 12 is in contact with the upper surface of the timer unit 11. The timer unit 11 is not deformed by pressure and is fixed by the protrusion 15 of the support frame 12.

Note that the timer unit 11 has a handle body 23.
It has a slow-acting opening/closing contact operated by a cam portion 33 formed in the cam section 33.

Further, the parts disposed in the storage recess 3 are not limited to the timer unit 11, but it is also effective to store various parts.

〔Effect of the invention〕

According to the present invention, a reversing mechanism is disposed above the stored component that is stored by falling into the storage recess through the opening of the main body, and a part of the reversing mechanism is brought into contact with the component. Therefore, the storage parts such as timers that are dropped into the storage part are prevented from moving undesirably in the horizontal plane and are kept in place.Furthermore, this storage part is held by the reversing mechanism, and the reversing mechanism is The reversing mechanism and the lower drop-in storage part are held together by the storage parts, and the structure for holding the drop-in storage parts and the reversal mechanism is simplified, improving ease of assembly. Moreover, the space required in the vertical direction of the main body can be reduced, and it can be assembled compactly.

[Brief explanation of drawings]

Fig. 1 is a partially cut-away front view of a switch showing one embodiment of the present invention, Fig. 2 is a partially cut-away front view showing a shaft support part of the handle portion of the same, and Fig. 3 is a partially cut-away front view of a switch showing an embodiment of the present invention. FIG. 4 is a perspective view of the movable member and supporting frame parts. DESCRIPTION OF SYMBOLS 1... Main body, 3... Storage recess, 12... Support frame forming the reversing mechanism, 16... Mover forming the reversing mechanism, 18... Movable contact piece of the switch mechanism, 1
9... Fixed contact piece of the switch mechanism, 20... Spring forming the reversing mechanism.

Claims (1)

[Scope of Claims] 1. A main body having an opening and a storage recess communicating with the opening, a unitized storage component that is placed into the storage recess through the opening, and a support. The frame includes a frame, a movable element connected to the support frame, and a spring connected to the movable element, and is disposed on the upper part of the component so that a portion thereof comes into contact with the component to prevent movement toward the opening side. What is claimed is: 1. A switch comprising: a reversing mechanism as described above; and a switch mechanism interlocked with the reversing mechanism.